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Hollow cadmium molybdate (CdMoO4) microspheres with an average diameter of ∼1000 nm have been successfully synthesised via a Na2CO3-assisted solution synthesis method without using any other surfactants or additives. X-ray diffraction pattern and scanning electron microscopy were used to characterise the samples. The photocatalytic property of hollow CdMoO4 microspheres to degrade dye rhodamine B under the irradiation of UV light was evaluated, which was much better than that of solid microspheres obtained through the same solution synthesis method without the assistance of Na2CO3.
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